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Tips for Broadcast/audio applications
Covering all inside walls with acoustical foam will not prevent
outside sounds from infiltrating your studio unless you use
solid construction techniques:
- Use concrete block filled with sand for optimal sound
containment
- Build high STC walls using staggered-stud construction
with barrier material woven between the studs
- Install high STC doors and use high quality door seals
- Specify double-pane glass windows
- Integrate floating floors in key areas
Reverberation time in any room used
for broadcast/audio applications should be between 0.7 and
1.0 seconds.
Incorporate good "Live End / Dead End" acoustics
into your control rooms. This acoustic situation is created
in control room settings by using sound-absorbing wall panels
to treat the wall behind the speakers and a portion of the
two adjacent walls, thereby "deadening" the area
but leaving the listener area untreated or "live
TV and video studies can be very reverberant,
especially with all the hard surface materials such as tile
floors, large consoles, etc. Be sure to incorporate appropriate
acoustical materials to help reduce the reverberation. Acoustic
baffles hung from the ceiling rafters are a practical, easy
solution to solving excess echo in a TV studio, without interfering
with cameras and studio design.
Remember the ABC’s of acoustics
A = absorb, for absorbing unwanted
sounds within a room. Ideal absorbers include SONEX Panels,
FABRITEC Wall Panels, CONTOUR Ceiling Tiles, HARMONI Ceiling
Tiles, and PROSPEC
B = block, for blocking unwanted sounds
before they invade a neighboring space. One example of an
ideal application for blocking sound includes hanging PROSPEC
barrier inside the plenum between a drop ceiling and the true
ceiling to prevent sounds from reverberating throughout the
entire plenum space. Another example for blocking sounds is
using CONTOUR Ceiling Tiles in offices and conference rooms.
With a CAC of 34, CONTOUR Ceiling Tiles will block noises
from traveling between one office space to another.
C = containment,for containing sounds within
a space. Ideal candidates for containment include PROSPEC
barrier used in a staggered-stud wall construction and PROSPEC
Composite Panels used in a mechanical room or enclosure.
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